diff --git a/Gemfile b/Gemfile
index 6e5a8eb97..167da4234 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem 'term-ansicolor', :require => 'term/ansicolor'
 gem 'dm-core'
 gem 'json'
 gem 'data_objects'
-gem 'rubyzip', '>= 1.0.0'
+gem 'rubyzip', '~> 1.2.1'
 gem 'espeak-ruby', '>= 1.0.3' # Text-to-Voice
 
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 44de49dc1..06d602e39 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -62,7 +62,7 @@ GEM
     rubydns (0.7.3)
       eventmachine (~> 1.0.0)
       rexec (~> 1.6.2)
-    rubyzip (1.2.0)
+    rubyzip (1.2.1)
     sinatra (1.4.7)
       rack (~> 1.5)
       rack-protection (~> 1.4)
@@ -101,7 +101,7 @@ DEPENDENCIES
   qr4r
   rack
   rubydns (~> 0.7.3)
-  rubyzip (>= 1.0.0)
+  rubyzip (~> 1.2.1)
   sinatra
   term-ansicolor
   thin